The phrase signifies the optimum projectile diameter utilized in shotgun shells to successfully and ethically harvest each waterfowl species of differing measurement and resilience. For instance, a projectile measurement that delivers ample vitality for a clear kill on a big Canada goose whereas remaining efficient, with out extreme injury, on a smaller duck species like a teal.
Deciding on an applicable projectile diameter ensures constant efficiency throughout various looking circumstances and goal species. It balances ample knockdown energy with sample density, selling moral and environment friendly harvests. Traditionally, hunters utilized bigger projectiles, prioritizing energy. Trendy approaches emphasize a stability, contemplating each projectile vitality and sample consistency for improved effectiveness.